Réamhaisnéis limistear na farraige

Forecast valid from: 00:00, Thursday 30 April 2026 until 00:00, Friday 01 May 2026

Small Craft Warning

East to northeast winds will reach force 6 tonight and tomorrow morning on Irish coasts from Belfast Lough to Carnsore Point to Valentia.

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

Ireland lies in a moderate to strong easterly airflow with high pressure of 1033hPa centred over the North Sea. A shallow depression will approach the country from the south tonight.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Belfast Lough to Carnsore Point to Valentia and for the Irish Sea

Wind: East to northeast force 5 or 6, occasionally reaching force 7. Later becoming east to southeast force 3 to 5.

Weather: Cloudy to fair. Rain in southern areas imminent, heavy at times with a chance of thunderstorms.

Visibility: Good, decreasing moderate or poor in precipitation.

Forecast for Valentia to Rossan Point to Belfast Lough

Wind: East to northeast force 4 or 5, occasionally reaching force 6 imminent. Later decreasing easterly force 3 or 4.

Weather: Cloudy to fair imminent. Rain developing later, heavy at times.

Visibility: Good, decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 00:00, Saturday 02 May 2026

Light to moderate, occasionally fresh, easterly winds, veering southerly on Friday. Weather: Cloudy to fair with outbreaks of rain, clearing to scattered showers on Friday. Mist and fog patches also.

Forecast issued at: 00:00, Thursday 30 April 2026

All times are local unless specified